{
  "type": ["object", "null"],
  "required": [
    "id",
    "iid",
    "name",
    "user_xids"
  ],
  "properties": {
    "id": { "type": "integer" },
    "iid": { "type": "integer" },
    "name": { "type": "string" },
    "user_xids": { "type": "string" }
  },
  "additionalProperties": false
}
